In recent years crypto is expanding and gaining popularity but banks are not ready to use these digital assets , assuming that it will bring risks .The main point is that crypto is volatile due to which banks sees this as a risk as the price is not stable sometimes and they also believe that this is not a stable investment .Moreover these banks make money over transactions but bitcoin does not need a third part for any transactions .Another main reason is decentralization .The decentralization removes the centralized authorities making the transactions fore flexible.